Pentax PZ-1 PZ-1 Manual - Page 108

Effects, Of Aperture, Shutter, Speed

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IV. SOME BASIC PRINCIPLES OF PHOTOGRAPHY 1)EFFECTSOF APERTUREAND SHUTTERSPEED A correct exposure is achieved by a combination of shutter speed and aperture setting according to the brightness of the subject. Actually, there are many correct combinations of shutter speed and aperture for a particular subject brightness. Different shutter speed and aperture settings produce different effects. Effect of Shutter Speed The shutter speed determines the film exposure time, or the amount of light striking the film. The slower the shutter speed, the longer the shutter stays open. If the subject is moving, its image will be blurred at a slow speed. Conversely, choosing a high shutter speed allows a stationary image to be taken of a moving subject. If the subject is not moving, a high shutter speed prevents camera shake. 10

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1)
EFFECTS
OF APERTURE
AND
SHUTTER
SPEED
A
correct
exposure
is
achieved
by
a
combination
of
shutter
speed
and
aperture
setting
according
to
the
brightness
of
the
subject.
Actually,
there
are
many
correct
combinations
of
shutter
speed
and
aperture
for
a
particular
subject
brightness.
Different
shutter
speed
and
aperture
settings
produce
different
effects.
Effect
of
Shutter
Speed
IV.
SOME
BASIC
PRINCIPLES
OF
PHOTOGRAPHY
10
The
shutter
speed
determines
the
film
exposure
time,
or
the
amount
of
light
striking
the
film.
The
slower
the
shutter
speed,
the
longer
the
shutter
stays
open.
If
the
subject
is
moving,
its
image
will
be
blurred
at
a
slow
speed.
Conversely,
choosing
a
high
shutter
speed
allows
a
stationary
image
to
be
taken
of
a
moving
subject.
If
the
subject
is
not
moving,
a
high
shutter
speed
prevents
camera
shake.